Cheap Flights from Seattle to Chicago
Compare cheap flights from Seattle (SEA) to Chicago (ORD) on Tripile, with fares from around $129. The route takes about 4h 10m, and October is often the best month for low prices.
Airlines on This Route
Popular airlines flying Seattle to Chicago include Alaska Airlines, United, Delta, American Airlines. Compare their schedules, baggage rules, and prices side by side, then book the option that fits your trip.